Iran loaded 11 million barrels of crude onto tankers in a single day, the clearest signal yet that Tehran is racing to move inventory before the United States can enforce a renewed port blockade. The surge comes after Donald Trump signaled he would revive the pressure campaign that once choked off the Islamic Republic's primary revenue stream.

Tanker tracking data shows vessels departing Kharg Island and Bandar Abbas at an accelerated clip, suggesting Iranian officials anticipate a narrow window before insurance and shipping constraints tighten. The volume represents roughly two days of the country's current export capacity, compressed into hours.

For oil markets, the flush creates a temporary supply bulge that could weigh on near-term Brent prices, but the underlying risk premium is rising. Traders are pricing in the possibility that a blockade would remove 1.5 million barrels per day from global flows, a loss that OPEC+ spare capacity would struggle to offset quickly.

The episode underscores how geopolitical flashpoints can rewrite supply calculations faster than fundamentals. Investors should watch whether the United States moves to sanction the specific vessels and insurers involved — that step would determine whether this sprint becomes a sustained rerouting or a one-off fire sale.